Arm rest cushion



FIG. 1 is a top perspective view of an arm rest cushion, showing our new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a left-side elevational view thereof, the right-side elevational view being a mirror image thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a top plan view thereof.

The broken lines in the figures depict environmental matter and form no part of the claimed design. 

CLAIM We claim the ornamental design for an arm rest cushion, as shown and described. 